zaugau - I'm really not sure about the stock. There is no S or K in the cutoff. Only markings I can find are on the bottom of the buttstock near the rear sling swivel. There is a U stamped there and near the pistol grip there is either a C or an O. The guy I bought if from said he had bought it from CMP around 2000 or 2001 and he had not done anything to it. Not even fired it.

sweet looking trio, i have just the one its a SA 1918rec. with matching barrel, received it in 05 from cmp , the bolt guns just arent my favorite,that said iam in the market for a 03a3 just to have a example

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Mike H.-- Legion Life Member,VFW Member, CMP member since 2004 and am in my own mind